# PCA9544APW-118 (Component)
## Description
Multiplexer Switch ICs 4-CH I2C MUX W/INTERRUPT TSSOP-20 #CommonPartLibrary #IntegratedCircuits #Interface #Specialized #PCA9544
## Component Details
- **Owner:** jecstronic
- **Created:** 12/8/2021
- **Last Updated:** 6/24/2023
- **Visibility:** Public
- **Manufacturer Part Number:** PCA9544APW,118
- **Datasheet URL:** https://www.mouser.com/datasheet/2/302/PCA9544A-1127606.pdf
- **Part Type:** Integrated Circuit
- **Manufacturer Name:** NXP USA Inc.
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 40 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/pca9544apw118/nxp-semiconductors.html?utm_currency=USD®ion=nac) | $1.106 | 445 |
| [Digi-Key](https://www.digikey.com/en/products/detail/nxp-usa-inc/PCA9544APW-118/789950) | $2.53 | 4.1K |
| [HQonline](https://www.hqonline.com/product-detail/other-interfaces-nxp-pca9544apw-118-2500365279) | $0.82461 | 427 |
| [LCSC](https://www.lcsc.com/product-detail/C545191.html) | $0.625 | 1.4K |
| [Mouser](https://www.mouser.com/ProductDetail/NXP-Semiconductors/PCA9544APW118?qs=LOCUfHb8d9sFqzZJyXX6dQ%3D%3D) | $2.24 | 9.4K |
| [Verical](https://www.verical.com/pd/nxp-semiconductors-multiplexer-PCA9544APW-118-190094?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** NXP
- **MPN:** PCA9544APW,118
- **Package / Case Code:** 20-TSSOP
- **Pin Count:** 20
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | A0 | |
| 2 | A1 | |
| 3 | A2 | |
| 4 | ~INT0 | |
| 5 | SD0 | |
| 6 | SC0 | |
| 7 | ~INT1 | |
| 8 | SD1 | |
| 9 | SC1 | |
| 10 | VSS | |
| 11 | ~INT2 | |
| 12 | SD2 | |
| 13 | SC2 | |
| 14 | ~INT3 | |
| 15 | SD3 | |
| 16 | SC3 | |
| 17 | ~INT | |
| 18 | SCL | |
| 19 | SDA | |
| 20 | VDD | |
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*Generated from [https://www.flux.ai/jecstronic/pca9544apw-118~idq](https://www.flux.ai/jecstronic/pca9544apw-118~idq)*